diff --git a/NEWS b/NEWS index 98134d291c..bc83710db2 100644 --- a/NEWS +++ b/NEWS @@ -111,6 +111,12 @@ Changes in behavior compared to prior versions: recompile MPI and OpenSHMEM applications to work with this version of Open MPI. - Removed checkpoint/restart code due to loss of maintainer. :-( +- Change the behavior for handling certain signals when using PSM + and PSM2 libraries. Previously, the PSM and PSM2 libraries would + trap certain signals in order to generate tracebacks. The mechanism + was found to cause issues with Open MPI's own error reporting mechanism. + If not already set, Open MPI now sets the IPATH_NO_BACKTRACE and HFI_NO_BACKTRACE + environment variables to disable PSM/PSM2's handling these signals. Removed legacy support: @@ -141,6 +147,14 @@ Bug fixes / minor enhancements: of libibverbs and OFED. - Numerous fixes/improvements to orte-dvm. Special thanks to Mark Santcroos for his help. +- Fix a problem with timer code on ia32 platforms. Thanks to + Paul Hargrove for reporting this and providing a patch. +- Fix a problem with use of a 64 bit atomic counter. Thanks to + Paul Hargrove for reporting. +- Fix a problem with singleton job launching. Thanks to Lisandro + Dalcin for reporting. +- Fix a problem with use of MPI_UNDEFINED with MPI_COMM_SPLIT_TYPE. + Thanks to Lisandro Dalcin for reporting. - Silence a compiler warning in PSM MTL. Thanks to Adrian Reber for reporting this. - Properly detect Intel TrueScale and OmniPath devices in the ACTIVE